A person usually a female that just doesnt enjoy their life and therefore sells their body for cash. And sometimes doesnt even ask you for cash. In other words an emo slut, whore, or prostitute.
Some kid: Did you see that new girl Susie in class today, she has cuts all over her arms.
Some other kid: Yeah, shes a dirty Hazinski, trust me i'd know.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"